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Measuring method and device

A measurement method and technology of preset quantity, applied in measurement devices, measurement of electrical variables, measurement of dielectric properties, etc., can solve the problems of inability to perform real-time dynamic adjustment, high cost of measurement instruments, waste of manpower and material resources, etc., to improve calibration and performance. The effect of testing efficiency, reducing measurement cost and improving production efficiency

Active Publication Date: 2020-06-30
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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Problems solved by technology

However, the related technology has the following disadvantages: 1) the cost of professional measuring instruments is relatively high; 2) the loss value varies with different machines, instruments, cables and motherboards, so in the mass production process of mobile phones, It is necessary to use professional measuring instruments to measure the loss value of each set of machines separately, and measure each machine, each instrument, and each frequency band once, resulting in complex measurement operations and low efficiency; 3) The measured loss The value is a set of fixed values, which cannot be adjusted dynamically in real time. If the cable or instrument is replaced, it needs to be re-measured, which consumes manpower and material resources

Method used

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  • Measuring method and device
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Embodiment Construction

[0061] Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. Where the following description refers to the drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the illustrative examples below are not intended to represent all implementations consistent with this disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as recited in the appended claims.

[0062]In order to solve the technical problem in the related art, an embodiment of the present disclosure provides a measurement method, the method includes: obtaining a reference loss value of a machine; using the reference loss value to calibrate a preset number of motherboards respectively, and obtaining preset indicators of each motherboard When the calibration value of the preset index of each...

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Abstract

The invention relates to a measurement method and device. The method comprises the following steps: acquiring a reference loss value of a machine; respectively calibrating a preset number of mainboards by using the reference loss value, and obtaining a calibration value of a preset index of each mainboard; when the calibration value of the preset index of each mainboard conforms to normal distribution, calculating a difference value between a target value of the preset index of each mainboard and an expected value of the normal distribution; and adjusting the reference loss value according tothe difference value to obtain a target loss value of the machine. According to the invention, the loss value of each machine can be dynamically adjusted in real time, a professional measuring instrument does not need to be used for measuring the loss value of each machine one by one, the measurement cost can be reduced, the measurement operation is simplified, the calibration and test efficiencyis improved, and the production efficiency is improved.

Description

technical field [0001] The present disclosure relates to the technical field of terminals, and in particular, to a measurement method and device. Background technique [0002] In the calibration and testing process during the mass production of mobile phones, it is usually necessary to measure the loss of machines, instruments and RF cables. A reasonable loss value can greatly improve the yield of calibration and testing. [0003] In the related art, professional measuring instruments, such as a power meter and other measuring instruments, are mainly used for measurement at present. However, the related technology has the following disadvantages: 1) the cost of professional measuring instruments is relatively high; 2) since the loss value varies with different machines, instruments, cables and motherboards, in the mass production process of mobile phones, It is necessary to use professional measuring instruments to measure the loss value of each set of machines, and measure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R27/26H04M1/24
CPCG01R27/2694H04M1/24Y02P90/30
Inventor 潘明争
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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